Marcel Ichac (22 October 1906 - 9 April 1994) was a French alpinist, explorer, photographer and film director. Born in Rueil, France, Ichac was one of the first people to introduce electronic music in cinema with Ondes Martenot for Karakoram (1936) and released the first French movie in CinemaScope, Nouveaux Horizons (1953). He also accompanied the French Alpine Club's 1950 expedition that climbed Annapurna, which was led by Maurice Herzog, and include such climbing luminaries as Lionel Terray, Louis Lachenal and Gaston Rébuffat. See Annapurna by Maurice Herzog, pub. E P Dutton & Co.|date=1952
- Karakoram, the first French expedition in Himalaya, Karakoram (1936)
- The first documentary film in the world about the Pilgrimage to Mecca (1940).
- A l'Assaut des Aiguilles du Diable (1942).
- Expeditions of Jacques-Yves Cousteau to the Mediterranean sea (1948), the Red Sea (1955 : preparatory to the realization of The Silent World), and Lake Titicaca (1968).
- French Polar Expedition in Greenland with Paul-Emile Victor (1949).
- Victoire sur l'Annapurna, film on the 1950 French Annapurna expedition, with the first 8000m summit being reached by Maurice Herzog and Louis Lachenal).
- Les Etoiles de Midi (1959). Entered into the 9th Berlin International Film Festival.
- Le Conquérent de l'inutile (1967), a film he made about the life of his friend and mountain climber Lionel Terray.
- A l'assaut des Aiguilles du Diable (1945)
- Regards vers l'Annapurna (1951)
- Quand brillent les Etoiles de Midi (1960)
- Sadoul, Georges; Morris, Peter (1972). Dictionary of Film Makers. University of California Press. ISBN 978-0-520-02151-8. pg 121
- Leblanc, Gérard (1997) Scénarios du réel, Volume 2:193-197 Editions L'Harmattan
- Rège, Philippe (2009) Encyclopedia of French Film Directors, Volume 1:515 Scarecrow Press
- "IMDB.com: Awards for Stars at Noon". imdb.com. Retrieved 2010-01-10.